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← GeographyWhich outcome occurs when heavy rainfall saturates floodplains?
A)Oxbow lake formations accelerates greatly✓
B)Levee construction becomes fundamentally easier
C)Alluvial fan morphology stabilizes directly
D)Delta size declines considerably downstream
💡 Explanation
Increased saturation leads to greater river channel instability; this triggers accelerated meander migration by lateral erosion, aiding cutoff and oxbow lake formation because bend curvature amplifies, therefore oxbows arise rather than delta shrinking, stabilization, or easy levee construction.
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